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/*******************************************************************************
* Copyright (c) 2011 THALES GLOBAL SERVICES.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.sequence.business.internal.refresh;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.PointList;
import org.eclipse.draw2d.geometry.PrecisionPoint;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.RecordingCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.draw2d.ui.figures.BaseSlidableAnchor;
import org.eclipse.gmf.runtime.notation.Edge;
import org.eclipse.gmf.runtime.notation.IdentityAnchor;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationFactory;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.RelativeBendpoints;
import org.eclipse.gmf.runtime.notation.Routing;
import org.eclipse.gmf.runtime.notation.Style;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.gmf.runtime.notation.datatype.RelativeBendpoint;
import org.eclipse.sirius.AbstractDNode;
import org.eclipse.sirius.DEdge;
import org.eclipse.sirius.diagram.business.api.view.SiriusLayoutDataManager;
import org.eclipse.sirius.diagram.business.internal.view.EdgeLayoutData;
import org.eclipse.sirius.diagram.business.internal.view.LayoutData;
import org.eclipse.sirius.diagram.internal.refresh.GMFHelper;
import org.eclipse.sirius.diagram.internal.refresh.edge.SlidableAnchor;
import org.eclipse.sirius.diagram.tools.api.graphical.edit.styles.IBorderItemOffsets;
/**
* A Command to update sequence message bendpoints after the
* CanonicalSynchronizer.
*
* @author <a href="mailto:esteban.dugueperoux@obeo.fr">Esteban Dugueperoux</a>
*/
public class FixBendpointsOnCreationCommand extends RecordingCommand {
private Edge newEdge;
private View source;
private View target;
// Anchors
private String sourceTerminal;
private String targetTerminal;
// Bendpoints
private PointList pointList;
// Routing
private Routing routing;
/**
* Default constructor.
*
* @param domain
* the {@link TransactionalEditingDomain} on which execute this
* Command
*
* @param createdEdge
* the {@link Edge} for which update the bendpoints
*/
public FixBendpointsOnCreationCommand(TransactionalEditingDomain domain, Edge createdEdge) {
super(domain);
this.newEdge = createdEdge;
}
/**
* Overridden to update the bendpoints of the specified {@link Edge}.
*
* {@inheritDoc}
*/
@Override
protected void doExecute() {
this.source = newEdge.getSource();
this.target = newEdge.getTarget();
if (source != null && target != null) {
EObject element = newEdge.getElement();
if (element instanceof DEdge) {
DEdge dEdge = (DEdge) element;
updateEdge(dEdge);
}
}
}
private void updateEdge(DEdge dEdge) {
// Bendpoints
pointList = new PointList();
Point sourceRefPoint = new Point(0, 0);
Point targetRefPoint = new Point(0, 0);
EdgeLayoutData egdeLayoutData = null;
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(true);
try {
egdeLayoutData = SiriusLayoutDataManager.INSTANCE.getData(dEdge, false);
} finally {
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(false);
}
if (egdeLayoutData != null) {
sourceTerminal = egdeLayoutData.getSourceTerminal();
targetTerminal = egdeLayoutData.getTargetTerminal();
// pointList, sourceRefPoint, targetRefPoint of
// the edgeLayoutData can be null if the edge is
// hide when the layout data is stored
if (egdeLayoutData.getPointList() != null) {
pointList = egdeLayoutData.getPointList();
}
if (egdeLayoutData.getSourceRefPoint() != null) {
sourceRefPoint = egdeLayoutData.getSourceRefPoint();
}
if (egdeLayoutData.getTargetRefPoint() != null) {
targetRefPoint = egdeLayoutData.getTargetRefPoint();
}
routing = egdeLayoutData.getRouting();
} else {
computeEdgeDataWithoutEdgeLayoutData();
}
// Set connection anchors :
updateConnectionAnchors();
// Set Bendpoints :
updateBendpoints(sourceRefPoint, targetRefPoint);
}
private void computeEdgeDataWithoutEdgeLayoutData() {
Point firstClick = new Point(0, 0);
Rectangle sourceBounds = GMFHelper.getAbsoluteBounds((Node) source);
if (source.getElement() instanceof AbstractDNode) {
AbstractDNode sourceDNode = (AbstractDNode) source.getElement();
if (sourceDNode.eContainer() instanceof AbstractDNode) {
AbstractDNode parentDNode = (AbstractDNode) sourceDNode.eContainer();
if (parentDNode.getOwnedBorderedNodes().contains(sourceDNode)) {
sourceBounds.y += IBorderItemOffsets.DEFAULT_OFFSET.height;
sourceBounds.height += 5;
}
}
LayoutData sourceLayoutData = null;
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(true);
try {
sourceLayoutData = SiriusLayoutDataManager.INSTANCE.getData(sourceDNode);
} finally {
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(false);
}
if (sourceLayoutData == null) {
firstClick = sourceBounds.getCenter();
} else {
Point sourceLocation = sourceLayoutData.getLocation();
firstClick = sourceLocation;
}
}
PrecisionPoint sourceRelativeLocation = BaseSlidableAnchor.getAnchorRelativeLocation(firstClick, sourceBounds);
sourceTerminal = "(" + sourceRelativeLocation.preciseX + "," + sourceRelativeLocation.preciseY + ")";
Point secondClick = new Point(0, 0);
Rectangle targetBounds = GMFHelper.getAbsoluteBounds((Node) target);
if (target.getElement() instanceof AbstractDNode) {
AbstractDNode targetDNode = (AbstractDNode) target.getElement();
if (targetDNode.eContainer() instanceof AbstractDNode) {
AbstractDNode parentDNode = (AbstractDNode) targetDNode.eContainer();
if (parentDNode.getOwnedBorderedNodes().contains(targetDNode)) {
targetBounds.y += IBorderItemOffsets.DEFAULT_OFFSET.height;
targetBounds.height += 5;
}
}
LayoutData targetLayoutData = null;
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(true);
try {
targetLayoutData = SiriusLayoutDataManager.INSTANCE.getData(targetDNode);
} finally {
SiriusLayoutDataManager.INSTANCE.setIgnoreConsumeState(false);
}
if (targetLayoutData == null) {
secondClick = targetBounds.getCenter();
} else {
Point targetLocation = targetLayoutData.getLocation();
secondClick = targetLocation;
}
}
PrecisionPoint targetRelativeLocation = BaseSlidableAnchor.getAnchorRelativeLocation(secondClick, targetBounds);
targetTerminal = "(" + targetRelativeLocation.preciseX + "," + targetRelativeLocation.preciseY + ")";
// Computes pointList
PrecisionPoint sourceRelativeReference = SequenceSlidableAnchor.parseTerminalString(sourceTerminal);
SlidableAnchor sourceAnchor = new SequenceSlidableAnchor((Node) source, sourceRelativeReference);
pointList.addPoint(sourceAnchor.getLocation(sourceAnchor.getReferencePoint()));
PrecisionPoint targetRelativeReference = SequenceSlidableAnchor.parseTerminalString(targetTerminal);
SlidableAnchor targetAnchor = new SequenceSlidableAnchor((Node) target, targetRelativeReference);
pointList.addPoint(targetAnchor.getLocation(targetAnchor.getReferencePoint()));
}
private void updateConnectionAnchors() {
if (sourceTerminal != null) {
if (sourceTerminal.length() == 0)
newEdge.setSourceAnchor(null);
else {
IdentityAnchor a = (IdentityAnchor) newEdge.getSourceAnchor();
if (a == null)
a = NotationFactory.eINSTANCE.createIdentityAnchor();
a.setId(sourceTerminal);
newEdge.setSourceAnchor(a);
}
}
if (targetTerminal != null) {
if (targetTerminal.length() == 0)
newEdge.setTargetAnchor(null);
else {
IdentityAnchor a = (IdentityAnchor) newEdge.getTargetAnchor();
if (a == null)
a = NotationFactory.eINSTANCE.createIdentityAnchor();
a.setId(targetTerminal);
newEdge.setTargetAnchor(a);
}
}
}
private void updateBendpoints(Point sourceRefPoint, Point targetRefPoint) {
List<RelativeBendpoint> newBendpoints = new ArrayList<RelativeBendpoint>();
int numOfPoints = pointList.size();
for (short i = 0; i < numOfPoints; i++) {
Dimension s = pointList.getPoint(i).getDifference(sourceRefPoint);
Dimension t = pointList.getPoint(i).getDifference(targetRefPoint);
newBendpoints.add(new RelativeBendpoint(s.width, s.height, t.width, t.height));
}
RelativeBendpoints points = (RelativeBendpoints) newEdge.getBendpoints();
points.setPoints(newBendpoints);
// Routing
if (routing != null) {
Style routingStyle = newEdge.getStyle(NotationPackage.Literals.ROUTING_STYLE);
routingStyle.eSet(NotationPackage.Literals.ROUTING_STYLE__ROUTING, routing);
}
}
}
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